(19)

(11)

EP 4 091 408 A1

(12)

(43) Date of publication: 23.11.2022 Bulletin 2022/47 (21) Application number: 21700347.4 (22) Date of filing: 12.01.2021

(51) International Patent Classification (IPC):  H05B 3/84(2006.01) B60R 11/04(2006.01) B60S 1/02(2006.01) (52) Cooperative Patent Classification (CPC): H05B 3/84; H05B 2203/011; H05B 2203/008; H05B 2203/005 (86) International application number: PCT/GB2021/050062 (87) International publication number: WO 2021/144558 (22.07.2021 Gazette 2021/29)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 13.01.2020 GB 202000442 (71) Applicant: Pilkington Group Limited Lathom Nr. Ormskirk Lancashire L40 5UF (GB)	(72) Inventor: CHAMBERLAIN, Mark Andrew Ormskirk Lancashire L40 5UF (GB) (74) Representative: Denno, Richard Christopher Somer et al Pilkington Group Limited European Technical Centre Hall Lane Lathom Ormskirk, Lancashire L40 5UF Ormskirk, Lancashire L40 5UF (GB)